.register {
    .ant-layout-header {
        width: 1000px;
        position: fixed;
        left: 50%;
        top: 0;
        transform: translateX(-50%);
        z-index: 1;
    }

    .ant-layout-header {
        background: #333;
    }

    .ant-menu-dark, .ant-menu-dark .ant-menu-sub {
        background: #333;
    }

    .header-r {
        position: absolute;
        right: 50px;
        top: 0;
        color: #ccc;
    }
}